About a month and a half after wife Kimberly filed for a legal separation, the Vegas star has filed for divorce, citing irreconcilable differences and requesting joint legal and physical custody of their 5-year-old twins.

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He also expressed his willingness to pay spousal support, according to the petition filed today in L.A. Superior Court and obtained by E! News.

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October marked the second time Kimberly started official split proceedings, the couple having attempted a reconciliation after her initial attempt in March. The future ex-Mrs. Quaid, meanwhile, has asked for joint legal and primary physical custody of the children.